<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        //   利用函数求任意个数的最大值
        //  不确定有多少参数 用内置对象arguments
        function getMax() {
            var max = arguments[0]
            for (var i = 1; i < arguments.length; i++) {
                if (arguments[i] > max) {
                    max = arguments[i]
                }
            }
            return max
        }
        console.log(getMax(1, 2, 3)); 
        console.log(getMax(1, 2, 3,2,5,7,78,46,34,5)); 
        console.log(getMax(1, 2, 3,45,6,73,667)); 


    </script>
</head>

<body>

</body>

</html>